Prosecution Insights
Last updated: April 19, 2026

Examiner: KOLTONOW, ANDREW ROBERT

Tech Center 1700 • Art Units: 1722 1795

This examiner grants 45% of resolved cases

Performance Statistics

45.3%
Allow Rate
-19.7% vs TC avg
107
Total Applications
+35.4%
Interview Lift
1323
Avg Prosecution Days
Based on 75 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
19.2%
§102 Novelty
52.0%
§103 Obviousness
21.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18742822 METHOD AND APPARATUS FOR MAKING CARBON NANOMATERIALS USING A LOW-LITHIUM ELECTROLYTE Non-Final OA C2CNT LLC
17414494 METHOD FOR MANUFACTURING COMPOSITE CAPACITIVE DEIONIZATION ELECTRODE,COMPOSITE CAPACITIVE DEIONIZATION ELECTRODE, AND ASSEMBLY THEREOF Non-Final OA KYUNGDONG NAVIEN CO., LTD.
16919134 CONTROL OF THE CONCENTRATION-POLARIZATION LAYER LENGTH IN A MICROCHANNEL-MEMBRANE SYSTEM Final Rejection Ramot at Tel-Aviv University Ltd.
18392362 Electrochemical Synthesis of Molecules on a Surface Final Rejection IMEC VZW
18384737 WATER ELECTROLYSIS Non-Final OA Triad National Security, LLC
17270852 System and Method for Electrochemical Oxidation of Polyfluoroalkyl Substances in Water Final Rejection Evoqua Water Technologies LLC
16931943 SP3 SUBSTITUTED CARBON ELECTRODE ANALYSIS Non-Final OA Hach Company
18102254 METHOD FOR REMOVING ACIDS FROM ORGANIC SOLVENTS Non-Final OA Nanoscale Components, Inc.
17533522 REMOVAL OF MATERIALS FROM WATER Non-Final OA NuQuatic, LLC
17438000 BIOMOLECULAR SENSORS WITH DESALTING MODULE AND RELATED METHODS Non-Final OA FEMTODX
17307504 METHOD FOR SEPARATING CHARGED BIOLOGICALLY ACTIVE SUBSTANCES FROM LIQUIDS AND THE RECOVERY THEREOF Final Rejection i3 MEMBRANE GMBH
17250918 METHOD AND APPARATUS FOR COPPER-CATALYZED ELECTROCHEMICAL WATER TREATMENT Non-Final OA CAPE BRETON UNIVERSITY
16960034 WATER TREATMENT SYSTEM Final Rejection I.S.W.S LTD

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